Finding the Fourth Proportional to 2,307.92, 3,183.24 and 1,561.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,307.92 : 3,183.24 = 1,561.52 : x
2. Step 2: Convert to fraction form
   2,307.92/3,183.24 = 1,561.52/x
3. Step 3: Cross multiply
   2,307.92x = 3,183.24 × 1,561.52
4. Step 4: Simplify right side
   2,307.92x = 4,970,692.92
5. Step 5: Solve for x
   x = 4,970,692.92/2,307.92
6. Step 6: Final answer
   x = 2,153.75